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https://issues.apache.org/jira/browse/IGNITE-19444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17722172#comment-17722172
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Vladislav Pyatkov commented on IGNITE-19444:
--------------------------------------------
LGTM
Merged 9f4f78721029e21194ed469e8764d5f2ef67d204
> Excess size of serialized lease
> --------------------------------
>
> Key: IGNITE-19444
> URL: https://issues.apache.org/jira/browse/IGNITE-19444
> Project: Ignite
> Issue Type: Bug
> Reporter: Denis Chudov
> Assignee: Denis Chudov
> Priority: Major
> Labels: ignite-3
>
> *Motivation*
> The size of serialized lease along with it's key is close to 1 kb, in spite
> of that the lease consists of cluster node, two timestamps and couple of
> booleans. It is important because there are plenty of leases that are saved
> to meta storage every few seconds. ClusterNode should be replaced with node
> name, and algorithm of serialization should be changed in order to optimize
> size, in general, the size of serialized lease can be a several dozens of
> bytes.
> Currently this leads to degradation during the execution of integration
> tests, the time of raft calls for meta storage group raises and starts to
> time out after some time, so multiple tests are failing after enabling
> PlacementDriverManager in IgniteImpl:
> {code:java}
> 2023-05-11 17:20:18:946 +0300
> [WARNING][CompletableFutureDelayScheduler][RaftGroupServiceImpl] Recoverable
> error during the request type=ActionRequestImpl occurred (will be retried on
> the randomly selected node):
> java.util.concurrent.CompletionException:
> java.util.concurrent.TimeoutException
> at
> java.base/java.util.concurrent.CompletableFuture.encodeRelay(CompletableFuture.java:367)
> at
> java.base/java.util.concurrent.CompletableFuture.completeRelay(CompletableFuture.java:376)
> at
> java.base/java.util.concurrent.CompletableFuture$UniRelay.tryFire(CompletableFuture.java:1093)
> at
> java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
> at
> java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2159)
> at
> java.base/java.util.concurrent.CompletableFuture$Timeout.run(CompletableFuture.java:2871)
> at
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at
> java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:830)
> Caused by: java.util.concurrent.TimeoutException
> ... 7 more {code}
> It should be fixed for integrating the placement driver into Ignite.
> *Definition of done*
> The size of serialized lease is significantly reduced.
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